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Diffstat (limited to 'src/arrow/cpp/src/arrow/visitor.h')
| -rw-r--r-- | src/arrow/cpp/src/arrow/visitor.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/arrow/cpp/src/arrow/visitor.h b/src/arrow/cpp/src/arrow/visitor.h new file mode 100644 index 000000000..18a5c7db0 --- /dev/null +++ b/src/arrow/cpp/src/arrow/visitor.h @@ -0,0 +1,155 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +#pragma once + +#include "arrow/status.h" +#include "arrow/type_fwd.h" +#include "arrow/util/visibility.h" + +namespace arrow { + +class ARROW_EXPORT ArrayVisitor { + public: + virtual ~ArrayVisitor() = default; + + virtual Status Visit(const NullArray& array); + virtual Status Visit(const BooleanArray& array); + virtual Status Visit(const Int8Array& array); + virtual Status Visit(const Int16Array& array); + virtual Status Visit(const Int32Array& array); + virtual Status Visit(const Int64Array& array); + virtual Status Visit(const UInt8Array& array); + virtual Status Visit(const UInt16Array& array); + virtual Status Visit(const UInt32Array& array); + virtual Status Visit(const UInt64Array& array); + virtual Status Visit(const HalfFloatArray& array); + virtual Status Visit(const FloatArray& array); + virtual Status Visit(const DoubleArray& array); + virtual Status Visit(const StringArray& array); + virtual Status Visit(const BinaryArray& array); + virtual Status Visit(const LargeStringArray& array); + virtual Status Visit(const LargeBinaryArray& array); + virtual Status Visit(const FixedSizeBinaryArray& array); + virtual Status Visit(const Date32Array& array); + virtual Status Visit(const Date64Array& array); + virtual Status Visit(const Time32Array& array); + virtual Status Visit(const Time64Array& array); + virtual Status Visit(const TimestampArray& array); + virtual Status Visit(const DayTimeIntervalArray& array); + virtual Status Visit(const MonthDayNanoIntervalArray& array); + virtual Status Visit(const MonthIntervalArray& array); + virtual Status Visit(const DurationArray& array); + virtual Status Visit(const Decimal128Array& array); + virtual Status Visit(const Decimal256Array& array); + virtual Status Visit(const ListArray& array); + virtual Status Visit(const LargeListArray& array); + virtual Status Visit(const MapArray& array); + virtual Status Visit(const FixedSizeListArray& array); + virtual Status Visit(const StructArray& array); + virtual Status Visit(const SparseUnionArray& array); + virtual Status Visit(const DenseUnionArray& array); + virtual Status Visit(const DictionaryArray& array); + virtual Status Visit(const ExtensionArray& array); +}; + +class ARROW_EXPORT TypeVisitor { + public: + virtual ~TypeVisitor() = default; + + virtual Status Visit(const NullType& type); + virtual Status Visit(const BooleanType& type); + virtual Status Visit(const Int8Type& type); + virtual Status Visit(const Int16Type& type); + virtual Status Visit(const Int32Type& type); + virtual Status Visit(const Int64Type& type); + virtual Status Visit(const UInt8Type& type); + virtual Status Visit(const UInt16Type& type); + virtual Status Visit(const UInt32Type& type); + virtual Status Visit(const UInt64Type& type); + virtual Status Visit(const HalfFloatType& type); + virtual Status Visit(const FloatType& type); + virtual Status Visit(const DoubleType& type); + virtual Status Visit(const StringType& type); + virtual Status Visit(const BinaryType& type); + virtual Status Visit(const LargeStringType& type); + virtual Status Visit(const LargeBinaryType& type); + virtual Status Visit(const FixedSizeBinaryType& type); + virtual Status Visit(const Date64Type& type); + virtual Status Visit(const Date32Type& type); + virtual Status Visit(const Time32Type& type); + virtual Status Visit(const Time64Type& type); + virtual Status Visit(const TimestampType& type); + virtual Status Visit(const MonthDayNanoIntervalType& type); + virtual Status Visit(const MonthIntervalType& type); + virtual Status Visit(const DayTimeIntervalType& type); + virtual Status Visit(const DurationType& type); + virtual Status Visit(const Decimal128Type& type); + virtual Status Visit(const Decimal256Type& type); + virtual Status Visit(const ListType& type); + virtual Status Visit(const LargeListType& type); + virtual Status Visit(const MapType& type); + virtual Status Visit(const FixedSizeListType& type); + virtual Status Visit(const StructType& type); + virtual Status Visit(const SparseUnionType& type); + virtual Status Visit(const DenseUnionType& type); + virtual Status Visit(const DictionaryType& type); + virtual Status Visit(const ExtensionType& type); +}; + +class ARROW_EXPORT ScalarVisitor { + public: + virtual ~ScalarVisitor() = default; + + virtual Status Visit(const NullScalar& scalar); + virtual Status Visit(const BooleanScalar& scalar); + virtual Status Visit(const Int8Scalar& scalar); + virtual Status Visit(const Int16Scalar& scalar); + virtual Status Visit(const Int32Scalar& scalar); + virtual Status Visit(const Int64Scalar& scalar); + virtual Status Visit(const UInt8Scalar& scalar); + virtual Status Visit(const UInt16Scalar& scalar); + virtual Status Visit(const UInt32Scalar& scalar); + virtual Status Visit(const UInt64Scalar& scalar); + virtual Status Visit(const HalfFloatScalar& scalar); + virtual Status Visit(const FloatScalar& scalar); + virtual Status Visit(const DoubleScalar& scalar); + virtual Status Visit(const StringScalar& scalar); + virtual Status Visit(const BinaryScalar& scalar); + virtual Status Visit(const LargeStringScalar& scalar); + virtual Status Visit(const LargeBinaryScalar& scalar); + virtual Status Visit(const FixedSizeBinaryScalar& scalar); + virtual Status Visit(const Date64Scalar& scalar); + virtual Status Visit(const Date32Scalar& scalar); + virtual Status Visit(const Time32Scalar& scalar); + virtual Status Visit(const Time64Scalar& scalar); + virtual Status Visit(const TimestampScalar& scalar); + virtual Status Visit(const DayTimeIntervalScalar& scalar); + virtual Status Visit(const MonthDayNanoIntervalScalar& type); + virtual Status Visit(const MonthIntervalScalar& scalar); + virtual Status Visit(const DurationScalar& scalar); + virtual Status Visit(const Decimal128Scalar& scalar); + virtual Status Visit(const Decimal256Scalar& scalar); + virtual Status Visit(const ListScalar& scalar); + virtual Status Visit(const LargeListScalar& scalar); + virtual Status Visit(const MapScalar& scalar); + virtual Status Visit(const FixedSizeListScalar& scalar); + virtual Status Visit(const StructScalar& scalar); + virtual Status Visit(const DictionaryScalar& scalar); +}; + +} // namespace arrow |